Endress+Hauser prowirl 70 - EEx d Connection Diagrams

Technical Data
Prowirl W/F/H/D Sensor
Prowirl W ⇒ wafer version
Prowirl F ⇒ flanged version
Prowirl H ⇒ high pressure version
Prowirl D ⇒ Dualsens version
Nominal diameter W: DN 15...150 (DIN/ANSI)
F: DN 15...300 (DIN/ANSI)
H: DN 15...150 (DIN/ANSI)
D: DN 15...300 (DIN/ANSI)
Larger diameters on request
Nominal pressure W: PN 10...40 (DIN 2501), Class 150...300
(ANSI B16.5)
F/D: PN 10...40 (DIN 2501), Class 150...300
(ANSI B16.5)
H: PN 64, 100, 160, 250
(DIN 2636/2637/2638/2628);
Class 600, 900, 1500 (ANSI B16.5)
Butt-weld version, Class 1500
Permissible
process temperature
W/F/D: -200...+400 °C
H: -50...+400 °C; optional for -120 °C min.
temperature
Materials
• Wetted parts materials:
Measuring pipe
(DN 15...150)
Measuring pipe (>DN 150)
Bluff body (DN 15...150)
Bluff body (>DN 150)
F/D: 1.4552 (A351 CF8C)
W: 1.4571 (316Ti) *
H: 1.4571 (316Ti)
F/D: 1.4571 (316Ti)
F/D: 1.4552 (A351 CF8C)
W: 1.4435 (316L) *
H: 1.4435 (316L)
F/D: 1.4435 (316L)
* Materials for meter and bluff body of the wafer
type (W) are being changed to the cast stainless
material 1.4552. This change will be completed
for all sizes by mid 1997.
Sensor W/F/D: 1.4435 (316L)
H: Titanium Gr. 5
Sensor seal W/F/D: Graphite; optional Kalrez, Viton, EPDM
H: Graphite with impregnated steel
• Pipe stand material Stainless steel
Mounting set (for Prowirl W, wafer version)
Available for all pressure ratings from DIN PN 10...40 or ANSI Class 150 and 300.
Centering rings 2 pcs., stainless steel 1.4301
Bolts 1.7258 galvanised: -50...+400 °C (40 bar)
A2-70: -200...+400 °C (40 bar)
Hex nuts 1.7258 galvanised: -50...+400 °C
A2-70: -200...+400 °C
Washers Galvanised steel (DIN 125 A): to +400 °C;
A2 DIN 125 A: -200 °C...+400 °C
Gaskets Graphite, Viton
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